Ethyl 2-(1,4-dioxaspiro[4.5]decan-8-ylidene)acetate CAS 51656-91-8
| CAS No. | 51656-91-8 |
| Molecular Formula | C12H18O4 |
| Molecular Weight | 226.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C12H18O4, Ethyl 2-(1,4-dioxaspiro[4.5]decan-8-ylidene)acetate contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 226.27 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
CATO supplies Ethyl 2-(1,4-dioxaspiro[4.5]decan-8-ylidene)acetate (CAS 51656-91-8), a certified reference material (molecular formula C12H18O4, MW 226.27 g/mol) for analytical method development and quality control.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), Ethyl 2-(1,4-dioxaspiro[4.5]decan-8-ylidene)acetate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C12H18O4 |
| Molecular Weight | 226.27 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1971 |
Related Ethyl Standards
- 4-(1,4-Dioxaspiro[4.5]dec-8-yl)morpholine (CAS 127562-53-2)
- 1-((8-Methyl-1,4-dioxaspiro[4.5]Decan-2-yl)methyl)guanidine (CAS 46477-48-9)
- Ethyl 1,4-Dioxaspiro[4.5]decane-8-acetate (CAS 62141-26-8)
- ethyl 2-{1,4-dioxaspiro[4.5]decan-6-yl}acetate (CAS 57133-55-8)
- (1,4-Dioxaspiro[4.5]dec-7-en-8-yloxy)-trimethylsilane (CAS 144810-01-5)
- 1-(1,4-Dioxaspiro[4.5]Decan-8-yl)-1H-pyrazol-4-amine (CAS 2433769-82-3)
- 4-(1,4-Dioxaspiro[4.5]decan-8-yl)aniline (CAS 389602-90-8)
- (4-(5,8-Dioxaspiro[3.4]octan-2-yl)phenyl)boronic acid (CAS 254892-99-4)
Recommended Standards
- Ethyl 1,2-dihydroacenaphthylene-5-carboxylate (CAS 92548-86-2)
- Ethyl 2-(3,3-diallylureido)acetate (CAS 78154-03-7)
- Ethyl [1,1'-biphenyl]-4-carboxylate (CAS 6301-56-0)
- Ethyl 2-(4,4-dimethyl-2-oxocyclohexyl)-2-oxoacetate (CAS 412019-00-2)
- 1-Amino-2-methylpropane-2-selenol (CAS 801213-58-1)
- N-((4-Hydroxytetrahydro-2H-pyran-4-yl)methyl)-3,3-diphenylpropanamide (CAS 1351605-33-8)
- 2-(5-Chlorobenzo[d]oxazol-2-yl)ethan-1-amine hydrochloride (CAS 1158341-14-0)
- 3-(Sec-butyl)-1-methyl-1h-pyrazole-4-carbaldehyde (CAS 1172893-08-1)
- 6-(Aminomethyl)-5-bromopyrimidine-2,4(1H,3H)-dione (CAS 802895-55-2)
- Gonadorelin Acetate (CAS 52699-48-6)
- N-allyl-2-((2,6-dichlorophenyl)thio)acetamide (CAS 339097-62-0)
- 5-Methyl-1-phenylpyrazole-3-carbohydrazide (CAS 948294-15-3)
- SO5F79G1MJ 68555-63-5 2-Methyl-3-(1-oxopropoxy)-4H-pyran-4-one 4H-Pyran-4-one, 2-methyl-3-(1-oxopropoxy)- EINECS 271-440-0 Maltol propionate UNII-SO5F79G1MJ (CAS 68555-63-5)
- Semaglutide impurity 251 (CAS CATO-C4X-2226251)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com